96 is reasonable depending on course. First time i ever played i think i was somewhere around there, BUT i had been to the driving range alot with my cousin so could already crush the ball off the tee. Also a couple of our favorite courses had wide fairways and maybe one or two hard dog legs.
So yeah if there is not a lot of sand and water and some wide fairways, as long as he has his swing down, I see zero reason he couldnt shot 24 over.
Jalen has so much money that he could get a custom set of the top graded clubs tailored to his swing just for this outing. Its not like he's swinging 1990 King Snakes with max-fli balls like my first time playing